andreacavalli/CavalliumDBEngine
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Adjust database parameters

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This commit is contained in:
Andrea Cavalli 2021-11-02 13:02:49 +01:00
parent e015c9afff
commit c46320cdf7
1 changed files with 7 additions and 7 deletions
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14
src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
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@ -318,16 +318,16 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
options.setPreserveDeletes(false);
options.setKeepLogFileNum(10);
options.setAllowFAllocate(true);
options.setRateLimiter(new RateLimiter(10L * 1024L * 1024L)); // 10MiB/s max compaction write speed
//options.setRateLimiter(new RateLimiter(10L * 1024L * 1024L)); // 10MiB/s max compaction write speed
Objects.requireNonNull(databasesDirPath);
Objects.requireNonNull(path.getFileName());
List<DbPath> paths = List.of(new DbPath(databasesDirPath.resolve(path.getFileName() + "_hot"),
10L * 1024L * 1024L * 1024L), // 10GiB
new DbPath(databasesDirPath.resolve(path.getFileName() + "_cold"),
100L * 1024L * 1024L * 1024L), // 100GiB
new DbPath(databasesDirPath.resolve(path.getFileName() + "_cold"),
500L * 1024L * 1024L * 1024L), // 500GiB
new DbPath(databasesDirPath.resolve(path.getFileName() + "_colder"),
600L * 1024L * 1024L * 1024L)); // 600GiB
500L * 1024L * 1024L * 1024L)); // 500GiB
options.setDbPaths(paths);
options.setCfPaths(paths);
options.setMaxOpenFiles(databaseOptions.maxOpenFiles());
@ -377,10 +377,10 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
.setAllowConcurrentMemtableWrite(true)
.setEnableWriteThreadAdaptiveYield(true)
.setIncreaseParallelism(Runtime.getRuntime().availableProcessors())
.setBytesPerSync(1 * 1024 * 1024) // 1MiB
.setWalBytesPerSync(10 * 1024 * 1024)
.setBytesPerSync(64 * 1024 * 1024) // 1MiB
.setWalBytesPerSync(128 * 1024 * 1024)
.optimizeLevelStyleCompaction(
128 * 1024 * 1024) // 128MiB of ram will be used for level style compaction
2048L * 1024L * 1024L) // 2GiB of ram will be used for level style compaction
.setWriteBufferSize(64 * 1024 * 1024) // 64MB
.setWalTtlSeconds(30) // flush wal after 30 seconds
.setWalSizeLimitMB(1024) // 1024MB